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do_write_image

PURPOSE

method saves matrix as image and returns spm_vol

SYNOPSIS

function v = do_write_image(o, fname)

DESCRIPTION

 method saves matrix as image and returns spm_vol

 $Id$

CROSS-REFERENCE INFORMATION

This function calls:

binarize binarize - returns / sets binarize value for object
mars_vol_utils collection of useful utility functions for vol structs
spm_create_vol Wrapper for spm_create_image, for compatibility with SPM2
spm_write_vol Write an image volume to disk, setting scales and offsets as appropriate

This function is called by:

save_as_image method save_as_image - saves ROI as image

SOURCE CODE

0001 function v = do_write_image(o, fname)
0002 % method saves matrix as image and returns spm_vol
0003 %
0004 % $Id$
0005 
0006 v = mars_vol_utils('def_vol');
0007 v.fname = fname;
0008 v.mat = o.mat;
0009 v.dim = size(o.dat);
0010 
0011 if binarize(o)
0012   v = mars_vol_utils('set_type', v, 'uint8');
0013 else
0014   v = mars_vol_utils('set_type', v, 'float');
0015 end
0016 
0017 v = spm_create_vol(v);
0018 v = spm_write_vol(v, o.dat);